Bibliography 1,676 History 1,008 Sources 521 Genealogy 280 Catalogs 235 Archives 219 American literature 193 more ... Manuscripts 167 African Americans 124 Archival resources 119 History, Local 108 Periodicals 103 Jews 96 Printing 86 American newspapers 73 Manuscripts, American 67 Minorities 66 Rare books 63 Union catalogs 63 Histoire 61 Maps 59 Biography 52 Emigration and immigration 50 Indians of North America 48 Government publications 47 Library 46 Bio-bibliography 45 Directories 44 Early printed books 44 Newspapers 44 History and criticism 43 Bibliographie 41 Study and teaching 40 Books 38 Libraries 37 Politics and government 37 Union lists 36 Music 35 English literature 34 Registers of births, etc 32 less ...